powdery mildew

i'm in week 5 of flower and my biggest yielder as gotton attacked by powdery mildew what can i do to save her ? i wasn't running my dehumidifier and know i'm in trouble the rest has not been effected yet do i throw away or how can i save her she is a monster my biggest out of all .

go get some zero tolerance... there is fungicide and there is pesticide...
can be used 5 days before harvest.
if you have a huge risk (6+ other plants) bite your lip and throw it away.. not worth the risk.